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https://issues.apache.org/jira/browse/SOLR-15325?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Cassandra Targett resolved SOLR-15325.
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Resolution: Fixed
Solr has updated Jetty to 9.4.41.
> High security vulnerability in Jetty library bundled within Solr -
> CVE-2020-27223 (+1)
> --------------------------------------------------------------------------------------
>
> Key: SOLR-15325
> URL: https://issues.apache.org/jira/browse/SOLR-15325
> Project: Solr
> Issue Type: Bug
> Affects Versions: 8.8.1
> Reporter: WCM RnD
> Priority: Critical
>
> High security vulnerability ahs been reported in the Jetty jar bundled within
> Solr:
> *Jetty: Java based HTTP/1.x, HTTP/2, Servlet, WebSocket Server -
> CVE-2020-27223 (+1)*
> h1. Vulnerability Details
> h2. CVE-2020-27223
> *Affected Component(s):* Jetty: Java based HTTP, Servlet, SPDY, WebSocket
> Server, Jetty: Java based HTTP/1.x, HTTP/2, Servlet, WebSocket Server
> *Vulnerability Published:* 2021-02-26 17:15 EST
> *Vulnerability Updated:* 2021-03-05 16:25 EST
> *CVSS Score:* 7.5 (overall), 7.5 (base)
> *Summary*: In Eclipse Jetty 9.4.6.v20170531 to 9.4.36.v20210114 (inclusive),
> 10.0.0, and 11.0.0 when Jetty handles a request containing multiple Accept
> headers with a large number of “quality” (i.e. q) parameters, the server may
> enter a denial of service (DoS) state due to high CPU usage processing those
> quality values, resulting in minutes of CPU time exhausted processing those
> quality values.
> *Solution*: N/A
> *Workaround*: N/A
> h2. BDSA-2020-4221
> *Affected Component(s):* Jetty: Java based HTTP, Servlet, SPDY, WebSocket
> Server, Jetty: Java based HTTP/1.x, HTTP/2, Servlet, WebSocket Server
> *Vulnerability Published:* 2021-03-01 06:37 EST
> *Vulnerability Updated:* 2021-03-01 06:37 EST
> *CVSS Score:* 4.6 (overall), 5.3 (base)
> *Summary*: Jetty is vulnerable to denial-of-service (DoS) due to the use of
> an exponential algorithm that can have excessive resource requirements. A
> remote attacker could cause a vulnerable server to become unresponsive by
> sending maliciously crafted HTTP requests to that server.
> *Solution*: Fixed by
> [this|https://github.com/eclipse/jetty.project/commit/10e531756b972162eed402c44d0244f7f6b85131]
> commit in:
> *
> [*11.0.1*|https://github.com/eclipse/jetty.project/releases/tag/jetty-11.0.1]
> *
> [*10.0.1*|https://github.com/eclipse/jetty.project/releases/tag/jetty-10.0.1]
> *
> [*9.4.37.v20210219*|https://github.com/eclipse/jetty.project/releases/tag/jetty-9.4.37.v20210219]
>
>
> Jetty library needs to be updated to
> *[9.4.37.v20210219|https://github.com/eclipse/jetty.project/releases/tag/jetty-9.4.37.v20210219]*
> or above. **
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